12288143 has 8 divisors (see below), whose sum is σ = 14095488. Its totient is φ = 10493784.

The previous prime is 12288137. The next prime is 12288169. The reversal of 12288143 is 34188221.

12288143 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12288143 - 2⁸ = 12287887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12288113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121 + ... + 5082.

It is an arithmetic number, because the mean of its divisors is an integer number (1761936).

Almost surely, 2^12288143 is an apocalyptic number.

12288143 is a deficient number, since it is larger than the sum of its proper divisors (1807345).

12288143 is an equidigital number, since it uses as much as digits as its factorization.

12288143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493.

The product of its digits is 3072, while the sum is 29.

The square root of 12288143 is about 3505.4447649335. Note that the first 3 decimals coincide. The cubic root of 12288143 is about 230.7608263919.

The spelling of 12288143 in words is "twelve million, two hundred eighty-eight thousand, one hundred forty-three".